Process for recovering the soot formed during the production of

Details Process for recovering the soot formed during the production of Process for recovering the soot formed during the production of

1979-07-17

1982-02-16

Kratz, Peter F.

Compositions

Gaseous compositions

Carbon-oxide and hydrogen containing

48212, 48215, 210634, C01B 336

Patent

active

043158340

ABSTRACT:
This invention relates to a continuous process for separating the soot from the aqueous suspensions containing soot, obtained in the preparation of a synthesis gas, by intimately contacting the aqueous suspension with at least a part of the liquid hydrocarbonaceous material feeding a synthesis gas generator and by recycling into said gas generator the suspension of soot in the liquid hydrocarbonaceous material after separation of a clarified water phase by decantation.
The soot-containing aqueous suspension is brought intimately into contact with the liquid hydrocarbonaceous material by mixing said aqueous suspension and said liquid hydrocarbonaceous material in successive mixing steps, in such a way that a step-wise rising amount of energy is used for said mixing, the energy amount used in the first mixing step being of about 2,100 to 7,200 Joules per kilogram of soot and per second so as to obtain a substantially complete transfer of the soot from the aqueous suspension to the liquid hydrocarbonaceous material and the energy used in the last mixing step being of about 10,800 to 33,500 Joules per kilogram of soot and per second so as to reduce the water content of the liquid hydrocarbonaceous material, the so obtained hydrocarbonaceous material containing substantially all the soot being finally separated from the clarified water phase by decantation.

REFERENCES:
patent: 2665980 (1954-01-01), Carbeek
patent: 3148140 (1964-09-01), Kaiser et al.

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